What is the shop or customer experiencing? Shop is unable to connect Facebook page under social setup

What is the expected behavior? Shop is unable to connect Facebook page under social setup. Shop want to connect Blue Layne Boutique page.

Shop confirmed they are the owner of this Blue Layne Boutique page.

What error messages are there?

Did you replicate? n/a

What settings were checked?Social Setup> Facebook

Provide examples, sku, order #, customer names, and screenshots where possible.